Alert archive / Arizona / Flash Flood Warnings in 2007
Flash Flood Warning 7, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 24, 2007, 7:13 PM MST for Mohave County, Arizona. It was in force for 2 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 24, 2007, 7:13 PM MST (02:13 UTC)
- Expired
- Jul 24, 2007, 9:15 PM MST
- In force
- 2 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Whole counties
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 102 km from the middle of the area, began a volume at 02:13 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 24, 7:50 PM MST | FLASH FLOOD | 4 Wsw Golden Valley, AZ | SPOTTER REPOR 1.51 INCHES OF RAIN IN ONE HOUR. PUBLIC REPORTS WATER UP TO DOOR OF A HOME. MANY REPORTS OF CARS STUCK IN WASHES. THREE FEET OF WATER IN SACRAMENTO WASH. |
| Jul 24, 8:30 PM MST | FLASH FLOOD | Golden Valley, AZ | *** 2 FATAL *** TWO MALES AGES 67 AND 45 TRIED TO CROSS A WASH AT EMERY PARK RD AND ZUNI DRIVE NORTH OF HIGHWAY 68. THE TRUCK THEY WERE RIDING IN WAS WASHED DOWN THE ROAD AND ROLLED SEVERAL TIMES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 2.2 hours before the alert went out and 185 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1353 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- -22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KVEF 250213 FFWVEF AZC015-250415- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 713 PM MST TUE JUL 24 2007 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... WEST CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA... * UNTIL 915 PM MST. * AT 703 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM 6 MILES NORTHWEST OF GOLDEN VALLEY. THE STORM WAS MOVING SOUTHEAST AT 5 MPH. * OTHER LOCATIONS IMPACTED INCLUDE...GOLDEN VALLEY. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. IN DESERT TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. TURN AROUND...DONT DROWN. FIND ALTERNATE ROUTES. LAT...LON 3505 11428 3508 11415 3534 11423 3535 11439 $$ PIERCE
3 follow-up statements
000 WGUS75 KVEF 250250 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 743 PM PDT TUE JUL 24 2007 AZC015-250415- MOHAVE AZ- 743 PM MST TUE JUL 24 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM MST FOR WEST CENTRAL MOHAVE COUNTY... AT 737 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE THUNDERSTORM NEAR GOLDEN VALLEY WAS DISSIPATING TO THE SOUTH OF HIGHWAY 68. A STORM SPOTTER IN GOLDEN VALLEY REPORTED 1.51 INCHES OF RAIN FROM THE STORM. RADAR AND MESONET OBSERVATION SITES INDICATED THAT THE HEAVIEST RAIN FELL TO THE WEST OF ESTRELLA ROAD. A STATION ALONG HIGHWAY 68 REPORTED NEARLY A HALF AN INCH OF RAIN IN THE PAST HOUR. THIS STORM WAS LOCATED 7 MILES SOUTHWEST OF GOLDEN VALLEY...MOVING SOUTH AT 10 MPH. THIS THUNDERSTORM WITH EXCESSIVE RAIN WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. IN DESERT TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. SEVERAL INCHES OF SWIFTLY FLOWING WATER CAN CARRY VEHICLES AWAY. LAT...LON 3505 11428 3508 11415 3534 11423 3535 11439 $$ PIERCE
000 WGUS75 KVEF 250330 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 827 PM PDT TUE JUL 24 2007 AZC015-250415- MOHAVE AZ- 827 PM MST TUE JUL 24 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM MST FOR WEST CENTRAL MOHAVE COUNTY... AT 825 PM MST...TRAINED WEATHER SPOTTERS REPORTED MINOR FLOODING WAS STILL OCCURRING AROUND GOLDEN VALLEY. THERE WAS AN EARLIER REPORT OF UP TO 3 FEET OF WATER FLOWING DOWN SACRAMENTO WASH. THE THUNDERSTORM THAT PRODUCED THE HEAVY RAIN HAS DISSIPATED BUT RUNOFF FROM THE HEAVY RAIN WILL CONTINUE FOR ANOTHER 45 MINUTES. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. IN DESERT TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. SEVERAL INCHES OF SWIFTLY FLOWING WATER CAN CARRY VEHICLES AWAY. LAT...LON 3505 11428 3508 11415 3534 11423 3535 11439 $$ PIERCE
000 WGUS75 KVEF 250413 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 911 PM PDT TUE JUL 24 2007 AZC015-250421- MOHAVE AZ- 911 PM MST TUE JUL 24 2007 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 915 PM MST FOR WEST CENTRAL MOHAVE COUNTY... RUNOFF FROM HEAVY RAIN WITHIN THE SACRAMENTO WASH IN THE GOLDEN VALLEY HAS ENDED. THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. LAT...LON 3505 11428 3508 11415 3534 11423 3535 11439 $$ PIERCE
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 9:56 AM MST | Flash Flood Watch | VEF | Mohave | 11 hr |
| Jul 25, 1:04 PM MST | Flash Flood Warning | VEF | Mohave | 116 min |
| Jul 25, 1:37 PM MST | Flash Flood Warning | VEF | Mohave | 113 min |
| Jul 25, 2:41 PM MST | Flash Flood Warning | VEF | Mohave | 94 min |
| Jul 25, 3:13 PM MST | Flash Flood Warning | VEF | Mohave | 92 min |
| Jul 25, 3:34 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 28 min |
| Jul 25, 3:53 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 67 min |
| Jul 25, 4:15 PM MST | Flash Flood Warning | VEF | Mohave | 90 min |
| Jul 25, 4:24 PM MST | Severe Thunderstorm Warning | VEF | Mohave | 51 min |
Nearby
Flash Flood Warnings in Arizona, 2007Every flash flood warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.